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  <text>from a &lt;a href="http://blogs.msdn.com/saraford/archive/2004/11/15/257953.aspx"&gt;Microsoft Weblog&lt;/a&gt;
Guidelines are visible column indicators for the VS Editor.  During the last test pass, I came across a test case named "Guidelines" which got my immediate attention.   I never heard of this before, so I made sure to spend extra time testing this cool, but hidden little feature during the Beta test pass.  I didnâ€™t find any issues with it, so I feel it is safe to share.  Let me know if you run into any issues with it.

Warning!  To enable guidelines, youâ€™ll need to modify your registry settings.   Follow the instructions below at your own risk.

&lt;strong&gt;Enabling Guidelines&lt;/strong&gt;

First, shut down Visual Studio 2005 if already started.
Under
[HKCU]\Software\Microsoft\VisualStudio\8.0\TextEditor
Create a string value called
Guides
(Note: In VS 2003 modify the 7.1 key - mike)

Set Guides to the following
RGB(x,y,z) n1,...,n13
Where x,y,z are the RGB values and n is the column number.  You can have at most 13 guidelines.

For example,
Guides = RGB(128,0,0) 5, 80
will place a Red guideline at column numbers 5 and 80.

And now launch VS and open a text file.

&lt;strong&gt;Disabling Guidelines&lt;/strong&gt;

An obvious no-brainer, just delete the Guides keys you created above.  Restart VS, and no more guidelines.
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  <last_update>2007-10-04T00:52:18.9590806Z</last_update>
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